Measurement E213M580
| Experiment: | E1-6, 2025 | |
|---|---|---|
| Year: | 2001 | |
| Spokespersons: | R.W. Gothe, A. Trivedi | |
| Reaction: | ep → π+π−p | |
| Polarization: | none | |
| Quantity: | dσ/d(−cos(θ(π−))) | |
| Q2: | 2.4 — 3.0 GeV2 | |
| W: | 1.85 — 1.875 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π−), [deg] | dσ/d(−cos(θ(π−))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 2.5086 | 0.1972 | 0.432 | 0.6147 |
| 27.0 | 2.6762 | 0.1478 | 0.3541 | 0.5034 |
| 45.0 | 2.6353 | 0.174 | 0.356 | 0.5021 |
| 63.0 | 2.9045 | 0.1524 | 0.3849 | 0.5426 |
| 81.0 | 2.596 | 0.099 | 0.3539 | 0.5041 |
| 99.0 | 2.435 | 0.123 | 0.3346 | 0.3565 |
| 117.0 | 1.943 | 0.0938 | 0.2755 | 0.3885 |
| 135.0 | 2.1009 | 0.1442 | 0.2753 | 0.3957 |
| 153.0 | 2.05 | 0.1003 | 0.2563 | 0.3583 |
| 171.0 | 2.3443 | 0.1841 | 0.3533 | 0.5002 |
Experiment comment: